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Finding the Fourth Proportional to 40,475.48, 55,856.48 and 22,571.64

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Solution

The fourth proportional to 40,475.48, 55,856.48 and 22,571.64 is: 31,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,475.48 : 55,856.48 = 22,571.64 : x
  2. Step 2: Convert to fraction form
    40,475.48/55,856.48 = 22,571.64/x
  3. Step 3: Cross multiply
    40,475.48x = 55,856.48 × 22,571.64
  4. Step 4: Simplify right side
    40,475.48x = 1,260,772,245.37
  5. Step 5: Solve for x
    x = 1,260,772,245.37/40,475.48
  6. Step 6: Final answer
    x = 31,149.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.